Alice Goh,
Building & Construction Authority
Objectives
1) To demonstrate that an existing building is able to achieve net
zero energy
2) To serve as a test-bed for integration of Green Building
technologies (GBTs) in existing buildings
3) To be a hub for practitioners and students in the study of
energy efficiency and green buildings
Project Team
Owner
- Building &Construction Authority (BCA)
Project Manager - Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd
Architects
- DP Architects Pte Ltd
M&E Engineer
- Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd
C&S Engineer
- Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd
Quantity Surveyor- Davis Langdon & Seah
Main Contractor - ACP Construction Pte Ltd
PV integrator
- Grenzone Pte Ltd
NUS Principal Investigators:
Assoc. Prof Lee Siew Eang (Lead) - Total Building Performance
Assoc. Prof Wong Nyuk Hien
- Natural Ventilation & Greenery
Assoc. Prof Stephen Wittkopf
- Photovoltaic System & Facade
Guiding Principles
Step 1 - Passive Systems
Step 2 - Active Systems
Efficient Envelope
• Type of window glazing
•Type of wall/facade
Efficient Lighting
•T5 Fluorescent lights
•LED task lighting
•State-of-the art lighting control systems
Minimise Solar Heat Gain
• Roof garden & vertical
greenery
•Sunshades
Efficient ACMV
•Personalised Ventilation
•Underfloor air distribution system
•Single coil twin fans
•Solar chimneys
Capitalize Daylighting
•Mirror ducts
•Light pipes
•Light shelves
Active Control
• State-of-the-art building
management system
Building Envelope
Innovative Solutions for Facade
Passive Design - Elements with multiple
functions
Building Envelope
Innovative Solutions for Facade
Passive Design – Overcoming the weather
Photovoltaics
on shading devices
Light Shelves
Vertical greenery
Building Envelope
Unusual Aspects and Aesthetic Values
1. Vertical Greenery System
Building Envelope
Unusual Aspects and Aesthetic Values
2. PV Story Facade
Building Envelope
Innovative Solutions for Roof
Building Envelope
Pioneering Use of Materials
Solar Assisted Stack Ventilation
Roof Metal ventilation
duct
Metal
vertical
ventilation
duct
Solar
chimney
Inside Building
Pioneering Use of Materials
Mirror Duct
Inside Building
Experimental office
Personalised ventilation
Light pipes
Sensors, T5 lights, task lights
Displacement
Ventilation
Light shelves
Inside Building
Innovation in Technology
Single Coil Twin Fan
Potential Benefits
• Estimated 7 - 8% capital cost premium
• Predicted overall energy savings of about 12%
• Improved indoor air quality and comfort
• Attractive payback period < 3 years
Inside Building
Well-being of People
ZEB@BCA Academy
Before
ZEB@BCA Academy
After
ZEB@BCA Academy
Results
53% Energy
Saving
Surplus
Energy
13,102 Visitors since Oct 2009
Cumulative Visitorship since Oct 09
Academic
5%
Public
5%
Public
Officers
20%
Students
40%
Professionals
30%
Local vs Foreign Visitorship since Oct 09
Foreign
22%
Local
78%
Accolades
Involvement in UNEP-SBCI
UNEP
Secretariat
BCA’s
Executive
Director
Board of Directors
Advocacy
Committee
Steering
Committee
Members
Technical Advisory
Committees
Energy / GHG
Membership
Water
Strategic Level
BCA’s
Director of
Research
Materials
Project Level
21
Involvement in UNEP-SBCI
Regional Status Report
on SB Policies in SEA
Membership
Common Carbon Metric
& Protocol Pilot Test
Strategic Level
Project Level
22
谢谢
Thank you
Alice_goh@bca.gov.sg
We shape a safe, high quality, sustainable and friendly built environment.